src/HOL/IMP/Abs_Int_ITP/Abs_State_ITP.thy
Tue, 13 Aug 2013 16:25:47 +0200 wenzelm standardized symbols via "isabelle update_sub_sup", excluding src/Pure and src/Tools/WWW_Find;
Thu, 19 Apr 2012 17:32:30 +0200 nipkow reorganised IMP
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